#04525E
Closest named color: Deep Teal (#00555A). oklch(40.3% 0.069 211.9), rgb(4, 82, 94).
Aa
White text reads best on this color (8.84:1).
About this color
#04525E is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.014 away. White text reads best on it, at 8.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.37:1 |
| White text | 8.84:1 |
Values
| HEX | #04525E |
| RGB | rgb(4, 82, 94) |
| HSL | hsl(188, 92%, 19%) |
| OKLCH | oklch(40.3% 0.069 211.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #04525E | 8.84:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #04525E | 2.37:1 | Fails | Lc 14.2 | Not readable |
| #04525E text on white | 8.84:1 | AAA | Lc 89.8 | Fine for body text |
| #04525E text on black | 2.37:1 | Fails | Lc -12.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A4C8D0
oklch(80.9% 0.04 212.7)
-
Step 400
400
#70ACB8
oklch(70.8% 0.064 211.6)
-
Step 500
500
#4597A6
oklch(63.2% 0.082 211.3)
-
Step 600
600
#1D8192
oklch(55.7% 0.09 212.1)
-
Step 700
700
#0A6D7C
oklch(49.2% 0.083 211.7)
-
Step 800
800 (this color)
#04525E
oklch(40.3% 0.069 211.9)
-
Step 900
900
#184952
oklch(37.7% 0.054 211.9)
-
Step 950
950
#102B30
oklch(27% 0.034 211.3)
#04525E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #494F5F | 0.064 |
| Deuteranopia (no green cones) | #3E475E | 0.057 |
| Tritanopia (no blue cones) | #005756 | 0.025 |
| Achromatopsia (no color) | #4A4A4A | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04525E
#04525E
oklch(40.3% 0.069 211.9)
- #693A31
#693A31
oklch(40.4% 0.069 31.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #04525E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.014
- Dark Teal #014D4E ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Blue Green #005249 ΔE 0.037
- Charcoal #264653 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.042
- Petrol #005F6A ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.061
Use #04525E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.